Historic Bridges of the U.S. | Henry Hudson Bridge

Photo

Henry Hudson Bridge

Viewed from the east in March of 2005

Vicinity map

Map links:

Overview: Steel arch bridge over Harlem River on the Henry Hudson Parkway (NY 9A) in New York City
Status: Open to a total of 7 lanes of traffic
History: Opened to traffic December 12, 1936
Builders: - American Bridge Co. of New York
- David B. Steinman
Design: Steel arch
Dimensions: Length of largest span: 799.9 ft.
Total length: 1,925.9 ft.
Deck width: 42.0 ft.
Vertical clearance above deck: 10.7 ft.
Approximate latitude, longitude: +40.87815, -73.92200 (decimal degrees)
40°52'41" N, 73°55'19" W (degrees°minutes'seconds")
Approximate UTM coordinates: 18/590829/4525789 (zone/easting/northing)
USGS topographic map: Yonkers
Inventory numbers: NY 5521257 (New York State bridge identification number)
BH 25777 (Bridgehunter.com ID)
Inspection (as of 09/2007): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 37.8 (out of 100)
Average daily traffic (as of 2006): 33,221